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Claude Opus 4.8 (medium) vs Gemini 3.5 Flash (medium)

Gemini 3.5 Flash (medium) leads on average score with 9.1 vs 8.8. Gemini 3.5 Flash (medium) has the lower benchmark cost at $0.642 vs $1.931. Gemini 3.5 Flash (medium) is faster at 8.20s vs 12.49s, with pass rates of 84.9% vs 87.9%.

Last updated at: 2026-07-25

Rank
#19
Total Output Tokens
49,841
Response Time (avg)
12.49s
Total Cost
$1.931
Rank
#14
Total Output Tokens
59,602
Response Time (avg)
8.20s
Total Cost
$0.642
Recommended model Gemini 3.5 Flash (medium)

It has the best score here (9.1), while costing about 3.0x less than Claude Opus 4.8 (medium).

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 medium Release: 2026-05-28 Gemini 3.5 Flash Gemini 3.5 Flash medium Release: 2026-05-19
Score 8.8 9.1
Rank #19 #14
Reliability 10.0 10.0
Consistency 9.6 9.7
Tests Correct
Attempt pass rate 84.9% 87.9%
Flaky tests 1 1
Total Runs 66 66
Cost per result 10.724 3.374
Total Cost $1.931 $0.642
Input Price $5.000 / 1M $1.500 / 1M
Output Price $25.000 / 1M $9.000 / 1M
Total Input Tokens 138,451 69,747
Output Tokens 40,766 2,166
Reasoning Tokens 9,075 57,436
Response Time (avg) 12.49s 8.20s
Response Time (max) 70.54s 76.68s
Response Time (total) 274.72s 180.47s

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#19 Claude Opus 4.8

medium
Cost
$0.057
Time
23.1s
Tokens
2,412 tok

#14 Gemini 3.5 Flash

medium
Cost
$0.201
Time
112.9s
Tokens
22,371 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 15.33s 10,590 9,945 1,381
Gemini 3.5 Flash 7.9 7.5 77.8% 1 12.63s 8,118 461 24,939

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